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Iaquinto G, Mazzarella G, Sellitto C, Lucariello A, Melina R, Iaquinto S, De Luca A, Rotondi Aufiero V. Antibiotic Therapy for Active Crohn's Disease Targeting Pathogens: An Overview and Update. Antibiotics (Basel) 2024; 13:151. [PMID: 38391539 PMCID: PMC10886129 DOI: 10.3390/antibiotics13020151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 01/29/2024] [Accepted: 02/02/2024] [Indexed: 02/24/2024] Open
Abstract
Crohn's disease (CD) is a multifactorial chronic disorder that involves a combination of factors, including genetics, immune response, and gut microbiota. Therapy includes salicylates, immunosuppressive agents, corticosteroids, and biologic drugs. International guidelines do not recommend the use of antibiotics for CD patients, except in the case of septic complications. Increasing evidence of the involvement of gut bacteria in this chronic disease supports the rationale for using antibiotics as the primary treatment for active CD. In recent decades, several pathogens have been reported to be involved in the development of CD, but only Escherichia coli (E. coli) and Mycobacterium avium paratubercolosis (MAP) have aroused interest due to their strong association with CD pathogenesis. Several meta-analyses have been published concerning antibiotic treatment for CD patients, but randomized trials testing antibiotic treatment against E. coli and MAP have not shown prolonged benefits and have generated conflicting results; several questions are still unresolved regarding trial design, antibiotic dosing, the formulation used, the treatment course, and the outcome measures. In this paper, we provide an overview and update of the trials testing antibiotic treatment for active CD patients, taking into account the role of pathogens, the mechanisms by which different antibiotics act on harmful pathogens, and antibiotic resistance. Finally, we also present new lines of study for the future regarding the use of antibiotics to treat patients with active CD.
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Affiliation(s)
- Gaetano Iaquinto
- Gastroenterology Unit, St. Rita Hospital, 83042 Atripalda, Italy
| | - Giuseppe Mazzarella
- Institute of Food Sciences, Consiglio Nazionale Delle Ricerche (CNR), 83100 Atripalda, Italy
- E.L.F.I.D, Department of Translational Medical Science, University "Federico II", 80147 Napoli, Italy
| | - Carmine Sellitto
- Section of Human Anatomy, Department of Mental and Physical Health and Preventive Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, 84081 Salerno, Italy
| | - Angela Lucariello
- Department of Sport Sciences and Wellness, University of Naples "Parthenope", 80100 Naples, Italy
| | - Raffaele Melina
- Gastroenterology Unit, San G. Moscati Hospital, 83100 Atripalda, Italy
| | | | - Antonio De Luca
- Section of Human Anatomy, Department of Mental and Physical Health and Preventive Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Vera Rotondi Aufiero
- Institute of Food Sciences, Consiglio Nazionale Delle Ricerche (CNR), 83100 Atripalda, Italy
- E.L.F.I.D, Department of Translational Medical Science, University "Federico II", 80147 Napoli, Italy
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Tanaka R, Imai J, Sugiyama E, Tsubaki S, Hozumi K, Tsugawa H. Cyclic-di-AMP confers an invasive phenotype on Escherichia coli through elongation of flagellin filaments. Gut Pathog 2024; 16:6. [PMID: 38267967 PMCID: PMC10809763 DOI: 10.1186/s13099-024-00600-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 01/15/2024] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND Adherent-invasive Escherichia coli (AIEC) is isolated from patients with Crohn's disease (CD). AIEC can invade the intestinal epithelium, suggesting that it is involved in the development and pathogenesis of CD. However, the mechanism by which AIEC acquired the invasive phenotype remains unknown. RESULTS This study was designed to examine the mechanisms of AIEC invasiveness. We found that the flagellin (fliC) expression in AIEC was two-fold higher than that in non-AIEC strains, and this overexpression induced the formation of long-filament flagellin. Deletion of fliC in the AIEC LF82 strain resulted in the disappearance of flagellar filaments and attenuated the motility and invasive ability of the bacterium, suggesting that the formation of long filament flagellin induced by increased fliC expression is required by AIEC to invade the intestinal epithelium. In AIEC and non-AIEC K12 strains cultured in the presence of cyclic-di-AMP (c-di-AMP), the expression of fliC was enhanced, and flagellar filaments were elongated. Stimulation with c-di-AMP enhanced the bacterial motility and ability to invade epithelial cells, even in the non-AIEC K12 strain. CONCLUSIONS Our findings show that c-di-AMP confers an AIEC-like phenotype on non-AIEC strains by enhancing the expression of fliC. The results should be useful for understanding the pathogenesis of CD.
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Affiliation(s)
- Rika Tanaka
- Department of Immunology, Division of Host Defense Mechanism, Tokai University School of Medicine, Isehara, Japan
| | - Jin Imai
- Department of Clinical Health Science, Tokai University School of Medicine, Isehara, Japan
| | - Eiji Sugiyama
- Laboratory of Analytical and Bio-Analytical Chemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Shogo Tsubaki
- Transkingdom Signaling Research Unit, Division of Host Defense Mechanism, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, 259-1193, Japan
| | - Katsuto Hozumi
- Department of Immunology, Division of Host Defense Mechanism, Tokai University School of Medicine, Isehara, Japan
| | - Hitoshi Tsugawa
- Transkingdom Signaling Research Unit, Division of Host Defense Mechanism, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, 259-1193, Japan.
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Olovo CV, Wiredu Ocansey DK, Ji Y, Huang X, Xu M. Bacterial membrane vesicles in the pathogenesis and treatment of inflammatory bowel disease. Gut Microbes 2024; 16:2341670. [PMID: 38666762 PMCID: PMC11057571 DOI: 10.1080/19490976.2024.2341670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 04/08/2024] [Indexed: 05/01/2024] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic and debilitating condition of relapsing and remitting inflammation in the gastrointestinal tract. Conventional therapeutic approaches for IBD have shown limited efficacy and detrimental side effects, leading to the quest for novel and effective treatment options for the disease. Bacterial membrane vesicles (MVs) are nanosized lipid particles secreted by lysis or blebbing processes from both Gram-negative and Gram-positive bacteria. These vesicles, known to carry bioactive components, are facsimiles of the parent bacterium and have been implicated in the onset and progression, as well as in the amelioration of IBD. This review discusses the overview of MVs and their impact in the pathogenesis, diagnosis, and treatment of IBD. We further discuss the technical challenges facing this research area and possible research questions addressing these challenges. We summarize recent advances in the diverse relationship between IBD and MVs, and the application of this knowledge as a viable and potent therapeutic strategy for IBD.
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Affiliation(s)
- Chinasa Valerie Olovo
- Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
- Department of Microbiology, Faculty of Biological Sciences, University of Nigeria, Nsukka, Nigeria
| | - Dickson Kofi Wiredu Ocansey
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, P.R. China
- Department of Medical Laboratory Science, School of Allied Health Sciences, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Ying Ji
- Department of Biochemistry and Molecular Biology, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Xinxiang Huang
- Department of Biochemistry and Molecular Biology, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Min Xu
- Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
- Institute of Digestive Diseases, Jiangsu University, Zhenjiang, Jiangsu, China
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Bu Y, Feng L, Xu D, Zhang S, Liang L, Si J, Lu Y, Liu Q, Yan G, Wang Y, Lan G, Liang J. Changes in Gut Microbiota Associated with Parity in Large White Sows. Animals (Basel) 2023; 14:112. [PMID: 38200843 PMCID: PMC10778104 DOI: 10.3390/ani14010112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024] Open
Abstract
As one of the most critical economic traits, the litter performance of sows is influenced by their parity. Some studies have indicated a connection between the gut microbiota and the litter performance of animals. In this study, we examined litter performance in 1363 records of different parities of Large White sows. We observed a marked decline in TNB (Total Number Born) and NBH (Number of Healthy Born) We observed a marked decline in TNB (Total Number Born) and NBH (Number of Healthy Born) among sows with parity 7 or higher. To gain a deeper understanding of the potential role of gut microbiota in this phenomenon, we conducted 16S rRNA amplicon sequencing of fecal DNA from 263 Large White sows at different parities and compared the changes in their gut microbiota with increasing parity. The results revealed that in comparison to sows with a parity from one to six, sows with a parity of seven or higher exhibited decreased alpha diversity in their gut microbiota. There was an increased proportion of pathogenic bacteria (such as Enterobacteriaceae, Streptococcus, and Escherichia-Shigella) and a reduced proportion of SCFA-producing families (such as Ruminococcaceae), indicating signs of inflammatory aging. The decline in sow function may be one of the primary reasons for the reduction in their litter performance.
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Affiliation(s)
- Yage Bu
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
| | - Lingli Feng
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
| | - Di Xu
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
| | - Shuai Zhang
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
| | - Liang Liang
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
| | - Jinglei Si
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
- Guangxi State Farms Yongxin Animal Husbandry Group Co., Ltd., Nanning 530022, China
| | - Yujie Lu
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
| | - Qiaoling Liu
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
| | - Gang Yan
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
| | - Yubin Wang
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
| | - Ganqiu Lan
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
| | - Jing Liang
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; (Y.B.); (L.F.); (D.X.); (S.Z.); (L.L.); (J.S.); (Y.L.); (Q.L.); (G.Y.); (Y.W.); (G.L.)
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Zhou QM, Zheng L. Research progress on the relationship between Paneth cells-susceptibility genes, intestinal microecology and inflammatory bowel disease. World J Clin Cases 2023; 11:8111-8125. [PMID: 38130785 PMCID: PMC10731169 DOI: 10.12998/wjcc.v11.i34.8111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/26/2023] [Accepted: 11/27/2023] [Indexed: 12/06/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a disorder of the immune system and intestinal microecosystem caused by environmental factors in genetically susceptible people. Paneth cells (PCs) play a central role in IBD pathogenesis, especially in Crohn's disease development, and their morphology, number and function are regulated by susceptibility genes. In the intestine, PCs participate in the formation of the stem cell microenvironment by secreting antibacterial particles and play a role in helping maintain the intestinal microecology and intestinal mucosal homeostasis. Moreover, PC proliferation and maturation depend on symbiotic flora in the intestine. This paper describes the interactions among susceptibility genes, PCs and intestinal microecology and their effects on IBD occurrence and development.
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Affiliation(s)
- Qi-Ming Zhou
- Department of Nephrology, Lanxi Hospital of Traditional Chinese Medicine, Lanxi 321100, Zhejiang Province, China
| | - Lie Zheng
- Department of Gastroenterology, Shaanxi Hospital of Traditional Chinese Medicine, Xi’an 710003, Shaanxi Province, China
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Xu L, Li Y, He Y. The variation characteristics of fecal microbiota in remission UC patients with anxiety and depression. Front Microbiol 2023; 14:1237256. [PMID: 37744915 PMCID: PMC10517179 DOI: 10.3389/fmicb.2023.1237256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 08/16/2023] [Indexed: 09/26/2023] Open
Abstract
Background Ulcerative colitis (UC) patients with relapsed disease are most likely to suffer from anxiety and depression. Increasing data indicates that psychological issues can change the composition of intestinal flora. Thus, we aim to seek the variation of intestinal microbiota composition in remission UC patients with anxiety and depression in Northwest China. Results In this study, 45 UC patients in remission were enrolled. The incidence of anxiety was 33.3%, and the prevalence of depression was 22.2%. There was no statistical difference in the alpha diversity of fecal microbiota, while beta diversity had a significant difference between the anxiety group and the non-anxiety group and the depression group and the non-depression group. Species composition analysis results showed that the ratio of Bifidobacterium and Lactobacilales significantly decreased. At the same time, the proportion of Escherichia-Shigella and Proteus_mirabilis increased in the anxiety group, and the ratio of Faecalibacterium and Bifidobacterium significantly decreased. In contrast, Escherichia-Shigella increased in the depression group at the gene levels. Conclusion Anxiety and depression still exist in UC patients even in the remission period. We first identify that the proportion of probiotics decreases while the proportion of pathogens increases in UC patients with anxiety and depression. These findings may provide a new pathophysiological mechanism for the recurrence of disease caused by impaired psychological function and a new method for the treatment strategy of UC patients with psychological issues.
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Affiliation(s)
- Lingyun Xu
- Department of Infectious Diseases, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yingchao Li
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yingli He
- Department of Infectious Diseases, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Chen X, Mendes BG, Alves BS, Duan Y. Phage therapy in gut microbiome. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 201:93-118. [PMID: 37770177 DOI: 10.1016/bs.pmbts.2023.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Phage therapy, the use of bacteriophage viruses for bacterial infection treatment, has been around for almost a century, but with the increase in antibiotic use, its importance has declined rapidly. There has been renewed interest in revisiting this practice due to the general decline in the effectiveness of antibiotics, combined with improved understanding of human microbiota and advances in sequencing technologies. Phage therapy has been proposed as a clinical alternative to restore the gut microbiota in the absence of an effective treatment. That is due to its immunomodulatory and bactericidal effects against its target bacteria. In the gastrointestinal diseases field, phage therapy has been studied mainly as a promising tool in infectious diseases treatment, such as cholera and diarrhea. However, many studies have been conducted in non-communicable diseases, such as the targeting of adherent invasive Escherichia coli in Crohn's disease, the treatment of Clostridioides difficile in ulcerative colitis, the eradication of Fusobacterium nucleatum in colorectal cancer, the targeting of alcohol-producing Klebsiella pneumoniae in non-alcoholic fatty liver disease, or Enterococcus faecalis in alcohol-associated hepatitis. This review will summarize the changes in the gut microbiota and the phageome in association with some gastrointestinal and liver diseases and highlight the recent scientific advances in phage therapy as a therapeutic tool for their treatment.
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Affiliation(s)
- Xingyao Chen
- Department of Infectious Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China; The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Beatriz G Mendes
- Department of Clinical Analysis, Health Sciences Center, Federal University of Santa Catarina, Campus Universitário Trindade, Florianópolis, Santa Catarina, Brazil
| | - Bruno Secchi Alves
- Department of Clinical Analysis, Health Sciences Center, Federal University of Santa Catarina, Campus Universitário Trindade, Florianópolis, Santa Catarina, Brazil
| | - Yi Duan
- Department of Infectious Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China; The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China.
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